package biaoge;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.ScrollPane;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.*;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.JTableHeader;
public class JTabelFrame extends JFrame {
public JTabelFrame(){ // 实现构造方法
super("RecorderOfWorkers"); // 首先调用父类JFrame的构造方法生成一个窗口
MyTableModel myModel = new MyTableModel();// myModel存放表格的数据
JTable table = new JTable(myModel);// 表格对象table的数据来源是myModel对象
table.setPreferredScrollableViewportSize(new Dimension(500, 100));// 表格的显示尺寸
JScrollPane scrollpanel = new JScrollPane(table); // 产生一个带滚动条的面板
// 将带滚动条的面板添加入窗口中
getContentPane().add(scrollpanel, BorderLayout.CENTER);
addWindowListener(new WindowAdapter() {// 注册窗口监听器
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
class MyTableModel extends AbstractTableModel{
String[] TableHead = {"姓名","居住地","语文","数学","总分","及格","作弊"}; //表格标题
Object[][] TableDate = {
{"一心","广州",new Integer(60),new Integer(80),new Integer(140),new Boolean(false),new Boolean(false)},
{"不安","河南",new Integer(70),new Integer(80),new Integer(150),new Boolean(false),new Boolean(false)},
};//表格数据
String update = "修改字段位置为:";
//获得列的数目
public int getColumnCount() {
return TableHead.length;
}
//获得行的数目
public int getRowCount() {
return TableDate.length;
}
//获得标题列的数据,并将数据存放在字符串tablehead数组里
public String getColumnName(int column) {
return TableHead[column];
}
//获取某行某列数据,并将数据存放在object类tabledate数组里
@Override
public Object getValueAt(int row, int column) {
return TableDate[row][column];
}
//判断单元格类型
public Class getColumnClass(int c) {
return getValueAt(0, c).getClass();
}
//将表格声明为可编辑状态
public boolean isCellEditable(int row, int column) {
if (column < 0) {
return false;
} else {
return true;
}
}
//改变某个数据
public void setValueAt(Object value,int row ,int column) {
boolean debug = true;
if (debug) {
System.out.println("Setting value at " + row + "," + column
+ " to " + value + " (an instance of "
+ value.getClass() + ")");
}
if (TableDate[0][column] instanceof Integer && !(value instanceof Integer)) {
try {
TableDate[row][column] = new Integer(value.toString());
fireTableCellUpdated(row, column);
} catch (NumberFormatException e) {
JOptionPane.showMessageDialog(JTabelFrame.this, "The \""
+ getColumnName(column)
+ "\" column accepts only integer values.");
}
} else{
TableDate[row][column] = value;
fireTableCellUpdated(row, column);
}
if (debug) {
System.out.println("New value of data:");
printDebugData();
}
}
private void printDebugData() {
int numRows = getRowCount();
int numCols = getColumnCount();
for (int i = 0; i < numRows; i++) {
System.out.print(" row " + i + ":");
for (int j = 0; j < numCols; j++) {
System.out.print(" " + TableDate[i][j]);
}
System.out.println();
}
System.out.println("--------------------------");
}
}
public static void main(String[] args) {
JTabelFrame frame = new JTabelFrame();
frame.pack();
frame.setVisible(true);
}
}
效果页面如下:
